Okay so we installed a few servers and here a list of the issues that we saw. This first one is the main issue we saw and a real pain in the butt. I will share out installation steps with you in another blog so you know how to by pass this

1.1. Open files

setup /mode:upgrade

Welcome to Microsoft Exchange Server 2007 Unattended Setup

Preparing Exchange Setup

The following server roles will be upgraded

Mailbox Role

Management Tools

Performing Microsoft Exchange Server Prerequisite Check

Mailbox Role Checks ……………………. FAILED

Setup cannot continue with the upgrade because the ‘svchost’ () process (ID

: 628) has open files. Close the process and restart Setup.

The Exchange Server Setup operation did not complete. For more information, visi

t http://support.microsoft.com and enter the Error ID.

Exchange Server setup encountered an error.

Some Services might have open files and setup will inform the process and PID. To find the process run tasklist | find “” and kill the process.

tasklist | find “628”

svchost.exe 628 Console 0 8,360 K

taskkill /PID 628 /f

SUCCESS: The process with PID 628 has been terminated.

Re Run setup

1.2. You cannot resume setup by performing the action “BuildToBuildUpgrade”

Error 1601 normally means that the windows installer service is disabled..

925828 Error message when you try to install Exchange 2007: “The Windows Installer service could not be accessed. This can occur if you are running Windows in safe mode, or if the Windows Installer is not correctly installed”

http://support.microsoft.com/default.aspx?scid=kb;EN-US;925828

Re Run setup

1.7. Please restart

setup /mode:upgrade

Welcome to Microsoft Exchange Server 2007 Unattended Setup

Preparing Exchange Setup

Copying Setup Files ……………………. COMPLETED

The following server roles will be upgraded

Hub Transport Role

Management Tools

Performing Microsoft Exchange Server Prerequisite Check

Hub Transport Role Checks ……………………. FAILED

A reboot from a previous installation is pending. Please restart the system

and rerun setup.

The Exchange Server Setup operation did not complete. For more information, visi

t http://support.microsoft.com and enter the Error ID.

Exchange Server setup encountered an error.

Reboot

Re Run setup

1.8. Open Files

setup /mode:upgrade

Welcome to Microsoft Exchange Server 2007 Unattended Setup

Preparing Exchange Setup

Copying Setup Files ……………………. COMPLETED

The following server roles will be upgraded

Mailbox Role

Management Tools

Performing Microsoft Exchange Server Prerequisite Check

Mailbox Role Checks ……………………. FAILED

Cannot find the Recipient Update Service responsible for domain ‘DC=che,DC=barw

ealth,DC=net’. New and existing users may not be properly Exchange-enabled.

Cannot find the Recipient Update Service responsible for domain ‘DC=mco,DC=barw

ealth,DC=net’. New and existing users may not be properly Exchange-enabled.

Setup cannot continue with the upgrade because the ‘powershell’ (Machine: G